.set_8_button {
    display: inline-block;
    font-weight: 400;
    padding: 0px 25px;
    line-height:40px;
    text-decoration: none;
    margin-right: 2em;
    cursor:pointer;
    text-align: center;
    transition: background 300ms;
}
.set_8_button.outline {
    color: #333;
    overflow: hidden;
    position: relative;
}
.set_8_button.outline:before, .set_8_button.outline:after, .set_8_button.outline .lines:before, .set_8_button.outline .lines:after {
    background-color: #666666;
    content: "";
    height: 2px;
    left: 0;
    position: absolute;
    top: 0;
    transition: transform 300ms;
    width: 100%;
}
.set_8_button.outline:before {
    bottom: 0;
    top: auto;
}
.set_8_button.outline .lines {
    display: block;
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 0;
}
.set_8_button.outline .lines:before, .set_8_button.outline .lines:after {
    height: 100%;
    width: 2px;
}
.set_8_button.outline .lines:after {
    left: auto;
    right: 0;
}
.set_8_button:hover:before {
    transform: translateX(-100%);
}
.set_8_button:hover:after {
    transform: translateX(100%);
}
.set_8_button:hover .lines:before {
    transform: translateY(-100%);
}
.set_8_button:hover .lines:after {
    transform: translateY(100%);
}


/*** button 2 ***/

.set_8_button2 {
    display: inline-block;
    font-weight: 400;
    padding: 0px 25px;
    line-height:45px;
    text-decoration: none;
    margin-right: 2em;
    cursor:pointer;
    text-align: center;
    transition: background 300ms;
}
.set_8_button2.outline {
    color: #333;
    overflow: hidden;
    position: relative;
}
.set_8_button2.outline:before, .set_8_button2.outline:after, .set_8_button2.outline .lines:before, .set_8_button2.outline .lines:after {
    background-color: #f8c013;
    content: "";
    height: 2px;
    left: 0;
    position: absolute;
    top: 0;
    transition: transform 300ms;
    width: 100%;
}
.set_8_button2.outline:before {
    bottom: 0;
    top: auto;
}
.set_8_button2.outline .lines {
    display: block;
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 0;
}
.set_8_button2.outline .lines:before, .set_8_button2.outline .lines:after {
    height: 100%;
    width: 2px;
}
.set_8_button2.outline .lines:after {
    left: auto;
    right: 0;
}
.set_8_button2:hover:before {
    transform: translateX(-100%);
}
.set_8_button2:hover:after {
    transform: translateX(100%);
}
.set_8_button2:hover .lines:before {
    transform: translateY(-100%);
}
.set_8_button2:hover .lines:after {
    transform: translateY(100%);
}


/*** button 3 ***/

.set_8_button3 {
    display: inline-block;
    font-weight: 400;
    padding: 0px 25px;
    line-height:45px;
    text-decoration: none;
    margin-right: 2em;
    cursor:pointer;
    text-align: center;
    transition: background 300ms;
}
.set_8_button3.outline {
    color: #333;
    overflow: hidden;
    position: relative;
}
.set_8_button3.outline:before, .set_8_button3.outline:after, .set_8_button3.outline .lines:before, .set_8_button3.outline .lines:after {
    background-color: #dd483f;
    content: "";
    height: 2px;
    left: 0;
    position: absolute;
    top: 0;
    transition: transform 300ms;
    width: 100%;
}
.set_8_button3.outline:before {
    bottom: 0;
    top: auto;
}
.set_8_button3.outline .lines {
    display: block;
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 0;
}
.set_8_button3.outline .lines:before, .set_8_button3.outline .lines:after {
    height: 100%;
    width: 2px;
}
.set_8_button3.outline .lines:after {
    left: auto;
    right: 0;
}
.set_8_button3:hover:before {
    transform: translateX(-100%);
}
.set_8_button3:hover:after {
    transform: translateX(100%);
}
.set_8_button3:hover .lines:before {
    transform: translateY(-100%);
}
.set_8_button3:hover .lines:after {
    transform: translateY(100%);
}


/*** button 4 ***/

.set_8_button4 {
    display: inline-block;
    font-weight: 400;
    padding: 0px 25px;
    line-height:40px;
    text-decoration: none;
    margin-right: 2em;
    cursor:pointer;
    text-align: center;
    transition: background 300ms;
}
.set_8_button4.outline {
    color: #333;
    overflow: hidden;
    position: relative;
}
.set_8_button4.outline:before, .set_8_button4.outline:after, .set_8_button4.outline .lines:before, .set_8_button4.outline .lines:after {
    background-color: #009688;
    content: "";
    height: 2px;
    left: 0;
    position: absolute;
    top: 0;
    transition: transform 300ms;
    width: 100%;
}
.set_8_button4.outline:before {
    bottom: 0;
    top: auto;
}
.set_8_button4.outline .lines {
    display: block;
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 0;
}
.set_8_button4.outline .lines:before, .set_8_button4.outline .lines:after {
    height: 100%;
    width: 2px;
}
.set_8_button4.outline .lines:after {
    left: auto;
    right: 0;
}
.set_8_button4:hover:before {
    transform: translateX(-100%);
}
.set_8_button4:hover:after {
    transform: translateX(100%);
}
.set_8_button4:hover .lines:before {
    transform: translateY(-100%);
}
.set_8_button4:hover .lines:after {
    transform: translateY(100%);
}